{"id":"vidhyamitra:city-day:rishikesh:1990-05-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1990-05-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-05-30","date_display":"May 30, 1990 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1990,"month":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448041.770833,"kali_year":5092,"ahargana":1859576.2708,"sun":{"sidereal_longitude":44.5796,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":116.4332,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.8537,"elapsed_within_tithi_degrees":11.8537},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":116.4332,"elapsed_within_degrees":9.7666},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.0128},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1990,"month":5,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448041.770833,"ahargana":1859576.2708,"kali_year":5092,"ayanamsa_lahiri":23.719,"grahas":{"sun":{"sidereal_longitude":44.669059000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":119.06675900000005,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-0.4491},"mars":{"sidereal_longitude":335.44125899999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":20.189459,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":78.76695899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":5.971258999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":270.90415899999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":290.7003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":110.7003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1990,"month":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448041.770833,"kali_year":5092,"ahargana":1859576.2708,"sun":{"sidereal_longitude":44.5796,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":116.4332,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.8537,"elapsed_within_tithi_degrees":11.8537},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":116.4332,"elapsed_within_degrees":9.7666},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.0128},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.449,"elongation":71.854},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.449,"opposition_distance":108.146}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:17","sunsetLocal":"19:12","solarNoonLocal":"12:14","dayLengthHours":13.919785406976967,"dayLengthDisplay":"13 Hours 55 Mins 11 Secs","nightLengthDisplay":"10 Hours 04 Mins 49 Secs","moonriseLocal":"10:36","moonsetLocal":"23:48","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:59","startHours":12.238205604472776,"endHours":13.978178780344898,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:45","startHours":7.018286076856414,"endHours":8.758259252728536,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:30","end":"12:14","startHours":10.498232428600655,"endHours":12.238205604472776,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"08:59","startHours":8.526262829278918,"endHours":8.990255676178151,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:51","end":"06:14","startHours":5.8583039596083335,"endHours":6.22949823712772,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:42","startHours":11.774212757573544,"endHours":12.70219845137201,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:25","end":"04:21","startHours":3.422341513387364,"endHours":4.3503272071858285,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:17","startHours":4.118330783736212,"endHours":5.278312900984293,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:29","startHours":14.558169838968936,"endHours":15.4861555327674,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":18.99809830796126,"endHours":19.39809830796126,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:47","startHours":19.19809830796126,"endHours":19.7780893665853,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.94809830796126,"endHours":20.69809830796126,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:42","startHours":23.774212757573544,"endHours":24.702198451372006,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:17","end":"07:01","startHours":5.278312900984293,"endHours":7.018286076856414,"quality":"auspicious"},{"name":"Amṛta","start":"07:01","end":"08:45","startHours":7.018286076856414,"endHours":8.758259252728536,"quality":"auspicious"},{"name":"Kāla","start":"08:45","end":"10:30","startHours":8.758259252728536,"endHours":10.498232428600655,"quality":"inauspicious"},{"name":"Śubha","start":"10:30","end":"12:14","startHours":10.498232428600655,"endHours":12.238205604472776,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:59","startHours":12.238205604472776,"endHours":13.978178780344898,"quality":"inauspicious"},{"name":"Udveg","start":"13:59","end":"15:43","startHours":13.978178780344898,"endHours":15.718151956217017,"quality":"inauspicious"},{"name":"Chala","start":"15:43","end":"17:27","startHours":15.718151956217017,"endHours":17.458125132089137,"quality":"neutral"},{"name":"Labha","start":"17:27","end":"19:12","startHours":17.458125132089137,"endHours":19.19809830796126,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:12","end":"20:27","startHours":19.19809830796126,"endHours":20.45812513208914,"quality":"inauspicious"},{"name":"Chala","start":"20:27","end":"21:43","startHours":20.45812513208914,"endHours":21.718151956217017,"quality":"neutral"},{"name":"Labha","start":"21:43","end":"22:59","startHours":21.718151956217017,"endHours":22.978178780344898,"quality":"auspicious"},{"name":"Amṛta","start":"22:59","end":"00:14","startHours":22.978178780344898,"endHours":24.238205604472775,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:30","startHours":24.238205604472775,"endHours":25.498232428600655,"quality":"inauspicious"},{"name":"Śubha","start":"01:30","end":"02:45","startHours":25.498232428600655,"endHours":26.758259252728536,"quality":"auspicious"},{"name":"Roga","start":"02:45","end":"04:01","startHours":26.758259252728536,"endHours":28.018286076856413,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:17","startHours":28.018286076856413,"endHours":29.278312900984293,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.278312900984293,"endHours":6.278312900984293,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.278312900984293,"endHours":7.278312900984293,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.278312900984293,"endHours":8.278312900984293,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.278312900984293,"endHours":9.278312900984293,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.278312900984293,"endHours":10.278312900984293,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.278312900984293,"endHours":11.278312900984293,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.278312900984293,"endHours":12.278312900984293,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.278312900984293,"endHours":13.278312900984293,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.278312900984293,"endHours":14.278312900984293,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.278312900984293,"endHours":15.278312900984293,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.278312900984293,"endHours":16.278312900984293,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.278312900984293,"endHours":17.278312900984293,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.278312900984293,"endHours":18.278312900984293,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.278312900984293,"endHours":19.278312900984293,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.278312900984293,"endHours":20.278312900984293,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.278312900984293,"endHours":21.278312900984293,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.278312900984293,"endHours":22.278312900984293,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.278312900984293,"endHours":23.278312900984293,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.278312900984293,"endHours":24.278312900984293,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.278312900984293,"endHours":25.278312900984293,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.278312900984293,"endHours":26.278312900984293,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.278312900984293,"endHours":27.278312900984293,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.278312900984293,"endHours":28.278312900984293,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.278312900984293,"endHours":29.278312900984293,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.701542298422773,"eotMinutes":2.6372637316334417,"ayanamsa":23.719}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Ṣaṣṭhī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 30, 1990 CE · Ṛṣikeśa · Vidhyamitra","description":"May 30, 1990 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 05:17, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1990-05-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1990-05-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/1990-05-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/1990-05-30","x-default":"https://vidhyamitra.com/city/rishikesh/1990-05-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T17:49:33.454Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-17T17:49:33.454Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T17:49:33.454Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}